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6201427 = 19873121
BaseRepresentation
bin10111101010000001010011
3102200001202111
4113222001103
53041421202
6340530151
7103465651
oct27520123
912601674
106201427
113556251
1220b0957
1313918ab
14b75dd1
158276d7
hex5ea053

6201427 has 4 divisors (see below), whose sum is σ = 6206536. Its totient is φ = 6196320.

The previous prime is 6201401. The next prime is 6201439. The reversal of 6201427 is 7241026.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6201427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6201398 and 6201407.

It is not an unprimeable number, because it can be changed into a prime (6201497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427 + ... + 3547.

It is an arithmetic number, because the mean of its divisors is an integer number (1551634).

Almost surely, 26201427 is an apocalyptic number.

6201427 is a deficient number, since it is larger than the sum of its proper divisors (5109).

6201427 is a wasteful number, since it uses less digits than its factorization.

6201427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 6201427 is about 2490.2664516071. The cubic root of 6201427 is about 183.7231481580.

The spelling of 6201427 in words is "six million, two hundred one thousand, four hundred twenty-seven".

Divisors: 1 1987 3121 6201427